149026420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{438313}}^1$

素因数の和:438339

約数の個数: 24

約数和(自身を含む): 331365384

約数和(自身を除く): 182338964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 438313, 876626, 1753252, 2191565, 4383130, 7451321, 8766260, 14902642, 29805284, 37256605, 74513210, 149026420]

約数ペア:

[(1, 149026420), (2, 74513210), (4, 37256605), (5, 29805284), (10, 14902642), (17, 8766260), (20, 7451321), (34, 4383130), (68, 2191565), (85, 1753252), (170, 876626), (340, 438313)]